diff --git a/ai-service/pyproject.toml b/ai-service/pyproject.toml
index ae928af..a11926f 100644
--- a/ai-service/pyproject.toml
+++ b/ai-service/pyproject.toml
@@ -20,6 +20,7 @@ dependencies = [
     "python-docx>=1.1.0",
     "pymupdf>=1.23.0",
     "pdfplumber>=0.10.0",
+    "python-multipart>=0.0.6",
 ]
 
 [project.optional-dependencies]